@Override
public void draw(@NonNull final Canvas canvas) {
	if (mShader != null) {
		final int count = canvas.save();
		final DrawFilter org = canvas.getDrawFilter();
        canvas.setDrawFilter(mDrawFilter);
        mPaint.setShader(mShader);
        canvas.drawPaint(mPaint);
        canvas.setDrawFilter(org);
		canvas.restoreToCount(count);
	}
}
 

@Override
public DrawFilter getDrawFilter() {
    return getWrappedCanvas().getDrawFilter();
}
 

@Override
public void setDrawFilter(DrawFilter filter) {
    getWrappedCanvas().setDrawFilter(filter);
}
 

@Override public DrawFilter getDrawFilter() {
  return delegate.getDrawFilter();
}
 

@Override public void setDrawFilter(DrawFilter filter) {
  delegate.setDrawFilter(filter);
}
 

public abstract DrawFilter getDrawFilter(); 

public abstract void setDrawFilter(DrawFilter filter);